The Nonantum Eruv...

...is an extension of The Greater Boston Eruv. On the map, the yellow area is within the Nonantum Eruv. The area south of the Mass Pike is within the Greater Boston Eruv. They are connected in four places.

To check the status of the eruv, see the red box on the left below. To check without visiting the Internet, call 781-446-9797 for a recorded message. If the recording does not mention the Nonantum extension, its status is the same as that of The Greater Boston Eruv.